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Finding the Fourth Proportional to 479,546.96, 661,773.51 and 264,685.55

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Solution

The fourth proportional to 479,546.96, 661,773.51 and 264,685.55 is: 365,265.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,546.96 : 661,773.51 = 264,685.55 : x
  2. Step 2: Convert to fraction form
    479,546.96/661,773.51 = 264,685.55/x
  3. Step 3: Cross multiply
    479,546.96x = 661,773.51 × 264,685.55
  4. Step 4: Simplify right side
    479,546.96x = 175,161,882,160.91
  5. Step 5: Solve for x
    x = 175,161,882,160.91/479,546.96
  6. Step 6: Final answer
    x = 365,265.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.